Python string library does’nt support the in-built “reverse()” as done by other python containers like list, hence knowing other methods to reverse string can prove to be useful. This article discusses several ways to achieve it. Using loop # Python code to reverse a string # using loop...
video • Python 3.9—3.13 • June 12, 2023 How can you loop over an iterable in reverse?Reversing sequences with slicingIf you're working with a list, a string, or any other sequence in Python, you can reverse that sequence using Python's slicing syntax:...
Given the value of N and we have to print numbers from N to 1 in Python. Iterate a range values To iterate a range values, the range() method is used. Simply, you can userange(start, stop) Let's understand by an example, if we want to iterate any loop till a to b, then rang...
Reverse a List Using the Slice Operator in Python If you prefer not to loop over the list, then use thesliceoperatorto decrement the array index by 1. Similar torange(), the slice operator accepts three arguments:start,stop, andstep. ...
# Print array in reverse order for i in range(len(arrInt)-1, -1, -1): print(arrInt[i],end=' ') Output: 1 2 3 4 5 6 Original array: 1 2 3 4 5 Array in reverse order: 5 4 3 2 1 That’s all about how to reverse array in Python. Was this post helpful? Let ...
1.2 Reverse an Array using the For Loop in Python You can use afor looptoiterate the given arrayin reversing order. In general, therange()function can generate the sequence of numbers, if you set the step param with a negative value, it can generate a sequence of decreasing numbers. ...
Reverse string using [::-1] print('Python'[::-1]) # nohtyP Python Slice Operator Syntax Slice() returns a slice of the object for a specified sequence (string, tuple, list, range, or bytes). Slicing allows you to write clear, concise and readable code. Python slice() Syntax slice...
#Python reversed() to save memory with large listslarge_list=range(1000000)foriteminreversed(large_list):Process itemsinreversepass 3. Using list comprehensions unnecessarily While list comprehensions are flexible, they can sometimes introduce complexity without adding much benefit. To reverse a list,...
importarrayasarr a=arr.array('i',[10,5,15,4,6,20,9])b=arr.array('i')foriinrange(len(a)-1,-1,-1):b.append(a[i])print(a)print(b) It will produce the followingoutput− array('i', [10, 5, 15, 4, 6, 20, 9]) array('i', [9, 20, 6, 4, 15, 5, 10]) ...
One of the easiest ways to reverse a string in Python is by using slicing. Slicing allows you to access a range of characters in a string. You can use slicing to access the entire string and reverse it. Here’s how: # Using slicing to reverse a string my_string = 'Hello, World!'...